Indian Overseas Bank — net banking transactions failure

Address:

Chennai, Tamil Nadu, 600110

On 23 rd oct 2018, i have made online transaction of 4198 rs twice times through netbanking, but transaction gets failure both times. Both times money gets debited from my account. Now, almost 10 days gone, reversal action doesn't taken on it. Kindly takes this issue as serious matter because almost 8396 rs were been debited. My branch: thiruvi ka nagar 1002 account no.